exam Maths Puzzle Numerical Ability

find the slope of the line 3x-2y=6

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exam Other Question

Tracy leaves for work at 8:a.m traveling at 36 mph. Sarah finds that Tracy has forgotten her briefcase, so she leaves 8:05 chasing after her at 50 mph. At what time will Sarah catch tracy? factor the quadratic expression completely, and find the roots of the expression.

1. 135x2 - 222x + 91

2. 6x2 - 42x + 72